Abstract
The two-photon absorption coefficient of GaAs at 1.32 μm is found to be 0.033 ± 0.015 cm/MW. This value was obtained from transmission measurements employing a Q-switched NdSingle Bond signYAG laser and an improved theoretical analysis taking into account fluctuations and the Gaussian pulse shape. Evidence of thermal self-focusing was seen in samples with linear absorption coefficients of order 1 cm-1 or larger. © 1973 American Institute of Physics.
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CITATION STYLE
APA
Kleinman, D. A., Miller, R. C., & Nordland, W. A. (1973). Two-photon absorption of Nd laser radiation in GaAs. Applied Physics Letters, 23(5), 243–244. https://doi.org/10.1063/1.1654874
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